Standard Energy Audit Manual
for
Government Buildings
Presentation at workshop on Energy Efficient
Procurement
September 20, 2005
IIEC
Technical support by Sudnya Industrial Systems Pvt. Ltd.
Standard Energy Audit Manual
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Present problem
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Widely different quotes
Widely different scopes
Widely different quality of analysis
Time lost in comparison/ clarification
Work assigned to lowest bidder resulting in
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Narrow scope
Indifferent work
Reports cannot be basis for an Implementation Plan
Energy Usage Remains High
Expected Benefits
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Standardised scope
Quality Audits
Speed of moving from Tender to Report
Saving of Time and Cost
Confidence in the Reports
Leading to Implementation
Facilitating Benchmarking of Energy Use
Flowchart
Start
Send Initial Questionnaire &
Letter
Receive Preliminary Building Data
Initial Meeting with Building Manager/ Engineer
Walk through the Facility
Check Data Availability
Agree on the Schedule
Agree on the Measurements Required
Receive Energy Usage Data
Analyse Data
Prepare for Audit
Calibrate Instruments
Check Batteries
Print/ Prepare Data Recording Formats
Standard Questionnaire
Past Audit Reports
Audit Compliance Reports
Benchmark Energy Usage
Flowchart
(continued)
Thermal
Measurements
Air Conditioning
Measurements
Electrical
Measurements
Give Copy of Observations to
Building Engineer
Give Copy of Observations to
Building Engineer
Give Copy of Observations to
Building Engineer
Discuss Observations/ Findings with
Building Manager/ Engineer
Analysis of Observations
Technical & Economic Calculations
Draft Report
Send Draft Report to Building Manager/ Engineer
Discuss Draft Report/
Findings with Building
Manager/ Engineer
Additional Observations
(if necessary)
Calculations
Write Report/
Recommendations
Present Report to Building
Manager/ Engineer
Give a copy of additional
observations to the Building
Manager/ Engineer
Organisation of the Manual
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All processes have two aspects
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Managerial
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Managerial
Technical
Overall Process
Key Performance Parameters
What is required from the Building Manager
What to Expect
Technical
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Technical/ Engineering Aspects of Audits
Table of Contents
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Introduction
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Background
Purpose
Organisation of this Manual
Management of Energy Audits
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Types of Energy Audits
The Energy Audit Process
Key Performance Parameters
Measurement
Calculation Procedures
Cost Benefit Analysis
Recommendation
Report Formats
Benchmarking
Appendix: Key Performance
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Energy Auditing
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Lighting
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Transportation
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Building Envelop
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Air Conditioning
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Motors
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Maximum Demand
Management
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Electricity Distribution
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Water Heating
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Compressed Air
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Boiler & Steam Systems
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Fuel Shift
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Cogeneration
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Water Usage
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Effluent Treatment
References
Key Performance Parameters
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Key Performance Parameters for each
major area of Energy Use, e.g.
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Lighting
Air conditioning
Pumping
Transportation / Lifts
Standard Procedures
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For Audit of Each Area
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Key Parameters
Standard Audit Procedure
Instruments to be used
Measurements
Data Recording Formats
Calculation Procedures
Evaluation
Report Format
List of Technical Interventions
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Lighting
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Transportation
Building Envelop
Air Conditioning
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Chillers
AHUs
CW/ ChW Pumping
Cooling Towers
Package/ DX/ Split Units
Pumping Systems
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Outdoor
Indoor
System Improvement
Pump Improvement
Motors
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Maximum Demand
Management
Electricity Distribution
Water Heating
Compressed Air
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Boiler & Steam System
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Usage
Distribution
Control
Distribution
Generation
Fuel Shift & Cogeneration
Water Usage
Effluent Treatment
Benchmarking of Energy Use
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Historical
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External
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Are we performing better today than we were
yesterday/ last week/ last month/ last year?
How is our performance related to that of others
in similar situations?
How do we compare with the average?
How do we compare with the best?
Can we do better?
How much?
Thank you!
Felix Gooneratne, Team Leader – ECO II, IIEC
Mahesh Patankar, Sr. Project Manager, IIEC
Shishir Athalye, Consultant, IIEC